21399696

素因数分解:

$2^4\times 3^2\times {\mathrm{148609}}^1$

素因数の和:148623

約数の個数: 30

約数和(自身を含む): 59889830

約数和(自身を除く): 38490134

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148609, 297218, 445827, 594436, 891654, 1188872, 1337481, 1783308, 2377744, 2674962, 3566616, 5349924, 7133232, 10699848, 21399696]

約数ペア:

[(1, 21399696), (2, 10699848), (3, 7133232), (4, 5349924), (6, 3566616), (8, 2674962), (9, 2377744), (12, 1783308), (16, 1337481), (18, 1188872), (24, 891654), (36, 594436), (48, 445827), (72, 297218), (144, 148609)]